This category covers control units and accessories intended to be used as part of a household fire-warning system.

The basic standard used to investigate products in this category is UL 985, "Household Fire-warning System Units."

UTOU

Household Burglar Alarm System Units (Residential Burglary)

This category covers the individual units that may be interconnected to form an electrically operated household burglar alarm system. These units include a main control unit (with integral or separate power supply), intrusion detection devices (contacts, motion detectors, sound detectors, etc.), and alarm indicating devices (bells, relays, and the like).

The basic standard used to investigate products in this category is UL 1023, "Household Burglar Alarm System Units."

NBSX

This category covers signal receiving, recording and supervisory units intended for permanent use within a central station or subsidiary station and associated subscriber's control units and the like to be installed within protected property.

The basic standards used to investigate products in this category are UL 1610, "Central-station Burglar Alarm Units" and UL 1635, "Digital Alarm Communicator System Units."

Control Panels, SIA False Alarm Reduction

This category covers products investigated to ANSI/SIA CP-01-2007, "Control Panel Standard - Features for False Alarm Reduction." The ANSI/SIA CP-01-2007 standard includes performance and installation instruction requirements for alarm system control panels and their associated arming and disarming devices that are intended to reduce false alarms. These requirements address false alarms caused by alarm system users, alarm initiating devices and those caused by power failures.

California State Fire Marshal

Control Unit (Household)